启动Tomcat的时候报错!请高手帮忙!报错信息见正文!

2005-7-28 14:37:50 org.apache.catalina.startup.Catalina load
信息: Initialization processed in 3156 ms
2005-7-28 14:37:50 org.apache.catalina.mbeans.GlobalResourcesLifecycleListener createMBeans
严重: Exception creating UserDatabase MBeans for UserDatabase
javax.management.MalformedObjectNameException: Missing value in properties list
at javax.management.ObjectName.createPropertiesMap(ObjectName.java:222)
at javax.management.ObjectName.parse(ObjectName.java:93)
at javax.management.ObjectName.<init>(ObjectName.java:43)
at org.apache.catalina.mbeans.MBeanUtils.createObjectName(MBeanUtils.java:1473)
at org.apache.catalina.mbeans.MBeanUtils.createMBean(MBeanUtils.java:736)
at org.apache.catalina.mbeans.GlobalResourcesLifecycleListener.createMBeans(GlobalResourcesLifecycleListener.java:233)
at org.apache.catalina.mbeans.GlobalResourcesLifecycleListener.createMBeans(GlobalResourcesLifecycleListener.java:163)
at org.apache.catalina.mbeans.GlobalResourcesLifecycleListener.createMBeans(GlobalResourcesLifecycleListener.java:125)
at org.apache.catalina.mbeans.GlobalResourcesLifecycleListener.lifecycleEvent(GlobalResourcesLifecycleListener.java:97)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:2306)
at org.apache.catalina.startup.Catalina.start(Catalina.java:556)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:287)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:425)
2005-7-28 14:37:50 org.apache.catalina.core.StandardService start
信息: Starting service Catalina
2005-7-28 14:37:50 org.apache.catalina.core.StandardEngine start
信息: Starting Servlet Engine: Apache Tomcat/5.0.30